Related Clues:
- Of the highest grade
- Much-watched interest rate
- _____ time
- Rib adjective
- Like top-quality beef
- Steak designation
- Steak rating, and word that can precede the first words of the answers to starred clues
- Top quality, as beef
- As early as possible
- Interest rate benchmark
- Peak years
- Original or primitive
- Best quality, perhaps of beef
- Number with no factor but itself and 1
- Existing from the beginning, basic